Use Dropbox and OneDrive Together. Moving files from Dropbox to OneDrive requires us to download them to local hard drive first as well as login at least twice.se Dropbox and OneDrive Together. Moving files from Dropbox to OneDrive requires us to download them to local hard drive first as well as login at least twice.
Disadvantages of a Pie Chart. A pie chart becomes less effective if it uses too many pieces of data. For example, a chart with four slices is easy to read; one with more than 10 becomes less so, especially if it contains many similarly sized slices.imple to create and understand, a pie chart works well when you need to present and measure simple data, but it may not suit complex needs as well as other visualization tools such as bar graphs. Other People Are Reading.
Disadvantage: not exact. Since pie charts use percentages to illustrate numerical values, specific figures are not provided. The graph provides a simple overview of a data set in an easy-to-read format, but does not provide precise information or leave room for other data sets.ie charts use percentages to illustrate quantities. This is a clear advantage when presenting statistics such as those for profits and expenses. The effectiveness of pie charts for examining percentages lies in audience members immediately understanding what you intend to communicate.